discrimination. but being a judge, and it's a pretty good job to have, think of my colleague, justice john paul stevens who remain on the court until he was 90, and is still an avid golfer and tennis player, has recently written a book, not about himself, but about the five chiefs that he had known from the time he was a law clerk until the time he retired from the court. so, next question. [laughter] >> justice ginsburg, you've had an amazing career and are leaving your legacy in the law. looking back on your life, although there's still more to do, but looking back on what you have done so far, is there anything you would do differently? >> it's a question, and i don't ask myself, and i'll give you two pieces of advice i was given in that regard. when i was a brand-new judge on the d.c. circuit, one of my senior colleagues said ruth, i've been at this business a long time, and one thing i'd like to embark to you, do your best job in each case, but when it's over, when the opinion is out, don't look back. don't worry about things that have passed. go on to the next case, and give it your all.